Setting bolts, Type AK (Part Numbers - CAD Download)

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Setting bolts GN 251 are produced with a hardened and rounded head which can be used as support or setting bolt as an end stop.

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GN 251 / Setting Bolts

Information

Setting bolts GN 251 are produced with a hardened and rounded head which can be used as support or setting bolt as an end stop.
The version with Polyurethan disc (Type BK) functions as damping element or protection for sensitive surfaces.

see also...
• Mounting blocks GN 412.1
• Setting bolts GN 251.6 (with retaining magnet)

How to Order

How to order	1	d₁
	2	l₁
	3	Type

Specification

• Screw
Steel, tensile strength class 5.8
• Type AK
Blackened
Locating surface, hardened (HRC 45)
• Type BK
Nickel plated
Polyurethan disc, 90 shore
• Hexagon nut
Steel zinc plated, blue passivated
• Strength values of screws
• RoHS compliant

Dimensions


d₁	l₁ - Type AK										e	k₁	k₂	l₂ max.	s
M 3	10	15	20	25	30	-	-	-	-	-	6.4	2	2.4	1.5	5.5
M 4	10	15	20	25	30	35	40	-	-	-	8.1	2.8	3.2	2.1	7
M 5	10	15	20	25	30	35	40	50	-	-	9.2	3.5	4	2.4	8
M 6	15	20	25	30	35	40	50	-	-	-	11.5	4	5	3	10
M 8	15	20	25	30	35	40	50	60	70	80	15	5.5	6.5	3.7	13
M 10	30	35	40	50	60	70	80	-	-	-	19.6	7	8	4.5	17
M 12	30	35	40	50	60	70	80	-	-	-	21.9	8	10	5.2	19
M 16	50	60	70	80	-	-	-	-	-	-	27.7	10	13	6	24


d₁	l₁ - Type BK							d₂	e	k₁	k₃	l₂ max.	l₃	s
M 4	15	20	25	30	35	40	-	5	8.1	2.8	2.4	2.1	1.5	7
M 5	15	20	25	30	35	40	-	6	9.2	3.5	3.2	2.4	1.5	8
M 6	20	25	30	35	40	45	50	8	11.5	4	3.6	3	2	10
M 8	20	25	30	35	40	45	50	10	15	5.5	5	3.7	2	13
M 10	20	25	30	35	40	45	50	13	19.6	7	6	4.5	2	17

Data to be displayed: 30; 45; 60

Part Number
251-M3-10-AK
251-M3-15-AK
251-M3-20-AK
251-M3-25-AK
251-M3-30-AK

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Thread d1	l1
6.00 €	1	Available	7 Days	M 3	10
6.00 €	1	Available	7 Days	M 3	15
6.02 €	1	Available	7 Days	M 3	20
6.46 € 3.42 €	1	Available	Same day Stock	M 3	25
6.46 €	1	Available	7 Days	M 3	30